ML20083L614

Rev 4 to Procedure/Work Plan 1905.031, Airborne I-131 Determination Using RM-14.HP-210

ML20083L614
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/05/1995
From:	Cotton S ENTERGY OPERATIONS, INC.
To:
References
1905.031, NUDOCS 9505180522
Download: ML20083L614 (6)

Text

t-i

\\

ENTERGY OPERATIONS INCORPORATED ARKANSAS NUC. LEAR ONE 1

Arkansas Nuclear One Russellville, Arkansas Date: 950508 1

MEMORANDUM i

i i

TO:

103

• Please return transmittal CC - NRC - WASHINGTON to Document Control, 3RD floor Admin Bldg

• FROM:

DOCUMENT CONTROL Ref Key: 19428

SUBJECT:

PLANT MANUAL UPDATE: NEW REVISION TO PROCEDURE PROCEDURE / FORM NUMBER: OP-1905.031 REV. #4 TC # 0 PC # 0 PROCEDURE / FORM TITLE: AIRBORNE IODINE DETERMINATION 1

i The following pages of the indicated rocedure(s) contains items which involve parsonal privacy or proprietary mater al. PLEASE REMOVE THE INDICATED MATERIAL PRIOR TO DISTRIBUTION TO PUBLIC DOCUMENT ROOMS, ETC.

PROCEDURE (S)

PAGE (S) l SIGNATURE:

DATE:

UPDATED i

i PRINT NAME form title:

form no.

rev.

TRANSMITTAL (PROCEDURE / WORK PLANS / CHANGES /FORNS) 1013.002H l

9505180522 950505 PDR ADOCK 05000313 j

F PDR D

0%?h i J

l ENTERGY OPERATIONS INCORPORATED ARKANSAS NUCLEAR ONE O

61 of 77 TITLE: AIRBORNE LODINE-131 DETERMINATION USING PROC / WORK PLAN NO.

REV.

AN RM-14/HP-210 1905.031 4

EXP.DATE SAFETY-REl.ATED N/A SYE8 ONO CONTROLLED COPY #/0J

=

=

,,OE, 0,

@NO 4

"^" "

"^" "

"^" "

Self Check.

2 s

-me.to 3

1hink Act:

.s ieWL cause Nobody's perfe VERIFIED BY DATE TIME I

APPROVAL AUTHORITY:

APPROVAL DATE:sM9r REQUIRED EFFECTIVE DATE:

FORM TITLE:

FORM NO.

REV.

LIST OF AFFECTED PAGES 1000.006A 43

PROCMORK PUW NO.

Fm N Pl.AN Tm2:

PAGE:

1 of 4 1908.031 AIRBORNE LODINE - 131 DETERMINATION USING AN REV:

4 CHANGE:

RM-14/HP-210 O

1.0 PURPOSE Provide instructions on the use of the RM-14/HP-210 for determining Radioiodine-131 airborne concentrations.

2.0 SCOPE This procedure should be utilized for Emergency Team monitoring or for situations in routine operations where a gross Iodine Concentration is needed.

3.1 REFERENCES

USED IN PREPARATION OF THIS PROCEDURE None

3.2 REFERENCES

USED IN IMPLEMENTATION OF THIS PROCEDURE l

3.2.1 1601.402, " Operation of Portable Air Samplers" 3.2.2 1601.400, " Response Check and Operation of Portable Survey i

g Meters" 3.2.3 1905.002, "Offsite Emergency Monitoring" 3.3 RELATED ANO PROCEDURES 3.3.1 1012.018, " Administration of Radiological Surveys" 3.3.2 1301.010, "Eberline Model RM-14 Calibration" i

i 3.4 REGULATORY CORRESPONDENCE CONTAINING NRC COMMITMENTS WHICH ARE IMPLEMENTED IN THIS PROCEDURE:

3.4.1 None 4.0 DEFINITIONS None 5.0 RESPONSIBILITIES i

l I

5.1 The Radiation Protection and Radwaste Manager is responsible for overall control and implementation of this procedure.

O

. PROCJWORK PLAN NO.

PROCEDURIUWORK PLAN Tm.E:

PAGE:

2of4 1905.031 AIRBORNE LODINE -131 DETERMINATION USING AN REV:

4 CHANGE:

RM-14/HP-210 0

6.0 PROCEDURE i

6.1 IODINE-13'1 SAMPLE DETERMINATION 6.1.1 The iodine air sample shall be collected in accordance with j

l 1601.402, " Operation of Portable Air Samplers".

j CAUTION THE VOLUME OF THE SAMPLE TAKEN SHALL BE AT LEAST 100 LITERS AND FOR EMERGENCY SITUATIONS ONLY SILVER ZEOLITE CARTRIDGES 1

SHALL BE USED.

THE OFFSITE MONITORING SUPERVISOR OR DOSE ASSESSMENT SUPERVISOR MAY AUTHORIZE AIR SAMPLES OF LESS THAN 100 LITERS IN ORDER TO MINIMIZE DOSE OR OTHER HAZARDS l

THAT MAY BE PRESENT.

A.

If the sample is taken during an emergency situation, j

record the data on Form 1905.031A.

j B.

For non-emergency situations, record the air sample data on the Health Physics form applicable to the i

survey situation.

6.1.2 Turn the RM-14/HP-210 or HP-260 on and note the background count rate.

6.1.3 Hold tha frisker probe approximately one-quarter inch from the surface of the silver zeolite cartridge with the air inlet side of the cartridge facing the probe.

6.1.4 Note the gross counts on the RM-14 and calculate the net counts by subtracting the background count rate.

6.1.5 Determine the I-131 activity (in pCi) by using the following equation:

I-131 (pci) = net epm x 8.0E-'

CAUTION IF A CHARCOAL CARTRIDGE HAS BEEN USED AS THE SAMPLING MEDIA, THIS CALCULATION WILL RESULT IN AN OVERESTIMATION OF THE I-131 ACTIVITY.

O

)

1

PROC./ WORK PLAN No.

PROCEDURE / WORK PLAN TITLE:

1905.031 PAGE:

3 of 4 AIRBORNE IODINE - 131 DETERMINATION USING AN N:

4 RM 14/HP-210 CHANGE:

6.1.6 Divide the activity (in pci) by the total volume of the sample (in ec) to obtain the I-131 airborne concentration.

{

I 6.1.7 Record all data and calculations on Form Sample Data Form" for sampling performed during an1905.031A, "I-131 emergency situation.

I 6.1.8 Place the silver zeolite cartridge in a plastic bag, Operations Facility for further analysis.and label the bag a seal g

A.

The label should contain the time of sample,

rate, the flow total volume and location where sample was

(----

taken.

7.0 ATTACHMENTS AND FORMS 7.1 ATTACHMENTS

[

7.1.1, Deleted 7.2 FOPMS g

7.2.1 Form 1905.031A, "I-131 Sample Data Form" O

D

-E

Page 4 of 4 I

10 SAMPLE DATA Field Team:

Dates Air Sample ID #

Sample Points Air Sampler #

Cal. Due Date:

Time on Time Off Total Sample Times min.

Flow Rate:

1pm Volume = Total Sample Time x Flow Rate x 10' =

cc Sample Collected By Badge #

COUNTING DATA RM-14 #:

HP-210/260 #

Cal Due Dates (Gross CPM)

(Background CPM)

Net CPM

=

l I

't I

ACTIVITY DETERMINATION (Net CPM) x 8. 0 x 10 =

pCi I*

CONCENTRATION DETERMINATION 1 'l Conc. (pci/cc) = pCi + Volume =

pCi +

cc =

8 pC1/cc l

Performed by:

Badge #

Offsite Monitoring Technician Reviewed by:

Badge #

Offsite Monitoring Supervisor

'O FORM TITLE:

FORM NO.

REV.

~

l 131 EMERGENCY FIELD SAMPLE DATA 1906.031 A 4

m.

.--s._

..m-.m

,.,....,-e_...

r -,-,._,,

y.,,y..-n

-. -, -